| <!DOCTYPE html> |
| <title>@scope - ShadowDOM</title> |
| <link rel="help" href="https://drafts.csswg.org/css-cascade-6/#scope-atrule"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/declarative-shadow-dom-polyfill.js"></script> |
| |
| <div id=host_plain> |
| <template shadowrootmode=open> |
| <style> |
| @scope (:host) { |
| .a { |
| z-index: 1; |
| } |
| } |
| </style> |
| <div class=a> |
| </div> |
| </template> |
| </div> |
| <script> |
| setup(() => { |
| polyfill_declarative_shadow_dom(document); |
| }); |
| |
| test(() => { |
| let a = host_plain.shadowRoot.querySelector('.a'); |
| assert_equals(getComputedStyle(a).zIndex, '1'); |
| }, '@scope can match :host'); |
| </script> |
| |
| <div id=host_functional> |
| <template shadowrootmode=open> |
| <style> |
| @scope (:host(div)) { |
| .a { |
| z-index: 1; |
| } |
| } |
| /* Should not match: */ |
| @scope (:host(span)) { |
| .a { |
| z-index: 42; |
| } |
| } |
| </style> |
| <div class=a> |
| </div> |
| </template> |
| </div> |
| <script> |
| setup(() => { |
| polyfill_declarative_shadow_dom(document); |
| }); |
| |
| test(() => { |
| let a = host_functional.shadowRoot.querySelector('.a'); |
| assert_equals(getComputedStyle(a).zIndex, '1'); |
| }, '@scope can match :host(...)'); |
| </script> |
